package com.sls.mall.product.service.impl;

import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.sls.mall.common.to.SkuReductionTO;
import com.sls.mall.common.to.SpuBoundTO;
import com.sls.mall.common.utils.R;
import com.sls.mall.product.entity.*;
import com.sls.mall.product.feign.CouponFeignService;
import com.sls.mall.product.service.*;
import com.sls.mall.product.vo.SpuSaveVO;
import com.sls.mall.product.vo.supsvaevolib.*;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.sls.mall.common.utils.PageUtils;
import com.sls.mall.common.utils.Query;

import com.sls.mall.product.dao.SpuInfoDao;
import org.springframework.transaction.annotation.Transactional;


@Service("spuInfoService")
public class SpuInfoServiceImpl extends ServiceImpl<SpuInfoDao, SpuInfoEntity> implements SpuInfoService {

    @Autowired
    SpuInfoDescService spuInfoDescService;

    @Autowired
    SpuImagesService spuImagesService;

    @Autowired
    AttrService attrService;

    @Autowired
    ProductAttrValueService productAttrValueService;

    @Autowired
    SkuInfoService skuInfoService;

    @Autowired
    SkuImagesService skuImagesService;

    @Autowired
    SkuSaleAttrValueService skuSaleAttrValueService;

    @Autowired
    CouponFeignService couponFeignService;

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<SpuInfoEntity> page = this.page(
                new Query<SpuInfoEntity>().getPage(params),
                new QueryWrapper<SpuInfoEntity>()
        );

        return new PageUtils(page);
    }

    @Transactional
    @Override
    public void saveSpuInfo(SpuSaveVO spuSaveVO) {

        // 1. 保存spu 基本信息 pms_sup_info
        SpuInfoEntity spuInfoEntity = new SpuInfoEntity();
        BeanUtils.copyProperties(spuSaveVO,spuInfoEntity);
        spuInfoEntity.setCreateTime(new Date());
        spuInfoEntity.setUpdateTime(new Date());
        this.saveBaseSupInfo(spuInfoEntity);

        // 2. 保存spu的描述图片 pms_spu_info_desc
        List<String> decript = spuSaveVO.getDecript();
        SpuInfoDescEntity spuInfoDescEntity = new SpuInfoDescEntity();
        spuInfoDescEntity.setSpuId(spuInfoEntity.getId());
        spuInfoDescEntity.setDecript(String.join(",",decript));
        spuInfoDescService.saveSpuInfoDesc(spuInfoDescEntity);

        // 3. 保存spu的图片集 pms_spu_images
        List<String> images = spuSaveVO.getImages();
        spuImagesService.saveImages(spuInfoEntity.getId(),images);

        // 4. 保存spu的规格参数 pms_product_attr_value
        List<BaseAttrs> baseAttrs = spuSaveVO.getBaseAttrs();
        List<ProductAttrValueEntity> collect = baseAttrs.stream().map(item -> {
            ProductAttrValueEntity productAttrValueEntity = new ProductAttrValueEntity();
            productAttrValueEntity.setAttrId(item.getAttrId());
            AttrEntity attrEntity = attrService.getById(item.getAttrId());
            productAttrValueEntity.setAttrName(attrEntity.getAttrName());
            productAttrValueEntity.setAttrValue(item.getAttrValues());
            productAttrValueEntity.setQuickShow(item.getShowDesc());
            productAttrValueEntity.setSpuId(spuInfoEntity.getId());

            return productAttrValueEntity;
        }).collect(Collectors.toList());

        productAttrValueService.saveProductAttr(collect);

        // 5. 保存spu的积分信息 slsmall_sms -> sms_spu_bounds
        Bounds bounds = spuSaveVO.getBounds();
        SpuBoundTO spuBoundTO = new SpuBoundTO();
        BeanUtils.copyProperties(bounds, spuBoundTO);
        spuBoundTO.setSpuId(spuInfoEntity.getId());

        R r = couponFeignService.saveSpuBounds(spuBoundTO);

        if (r.getCode() != 0){
            log.error("远程保存spu优惠信息失败");
        }

        // 6. 保存当前spu对应的所有sku信息：
        List<Skus> skus = spuSaveVO.getSkus();
        if (skus != null && skus.size() > 0)
        {
            skus.forEach(item -> {

                String defaultImg = "";
                for (Images images1 : item.getImages()) {
                    if (images1.getDefaultImg() == 1)
                        defaultImg = images1.getImgUrl();
                };

                SkuInfoEntity skuInfoEntity = new SkuInfoEntity();
                BeanUtils.copyProperties(item,skuInfoEntity);
                skuInfoEntity.setBrandId(spuInfoEntity.getBrandId());
                skuInfoEntity.setCatalogId(spuInfoEntity.getCatalogId());
                skuInfoEntity.setSaleCount(0L);
                skuInfoEntity.setSpuId(spuInfoEntity.getId());
                skuInfoEntity.setSkuDefaultImg(defaultImg);

                //  6.1 sku的基本信息 pms_sku_info
                skuInfoService.saveInfoEntity(skuInfoEntity);

                Long skuId = skuInfoEntity.getSkuId();

                List<SkuImagesEntity> imagesEntities = item.getImages().stream().map(img -> {
                    SkuImagesEntity skuImagesEntity = new SkuImagesEntity();
                    skuImagesEntity.setSkuId(skuId);
                    skuImagesEntity.setImgUrl(img.getImgUrl());
                    skuImagesEntity.setDefaultImg(img.getDefaultImg());

                    return skuImagesEntity;
                }).filter(entity -> {
                    //返回 true 就是需要，false 就是不剔除
                    return !StringUtils.isNotEmpty(entity.getImgUrl());
                }).collect(Collectors.toList());

                //  6.2 sku的图片信息 pms_sku_images
                skuImagesService.saveBatch(imagesEntities);

                List<Attr> attr = item.getAttr();
                List<SkuSaleAttrValueEntity> skuSaleAttrValueEntities = attr.stream().map(a -> {
                    SkuSaleAttrValueEntity skuSaleAttrValueEntity = new SkuSaleAttrValueEntity();
                    BeanUtils.copyProperties(a, skuSaleAttrValueEntity);
                    skuSaleAttrValueEntity.setSkuId(skuId);

                    return skuSaleAttrValueEntity;
                }).collect(Collectors.toList());

                //  6.3 sku的销售属性信息 pms_sku_sale_attr_value
                skuSaleAttrValueService.saveBatch(skuSaleAttrValueEntities);

                //  6.4 sku的优惠，满减等信息 slsmall_sms -> sms_sku_ladder \ sms_sku_full_reduction \ sms_member_price
                SkuReductionTO skuReductionTO = new SkuReductionTO();
                BeanUtils.copyProperties(item,skuReductionTO);
                skuReductionTO.setSkuId(skuId);

                //  BigDecimal 比较大小使用 compareTo ： -1 小于 0 等于 1 大于
                if (skuReductionTO.getFullCount() > 0 ||
                        skuReductionTO.getFullPrice().compareTo(new BigDecimal("0")) == 1)
                {
                    R r1 = couponFeignService.saveSkuReduction(skuReductionTO);

                    if (r1.getCode() != 0){
                        log.error("远程保存spu优惠信息失败");
                    }
                }


            });
        }






    }

    @Override
    public PageUtils queryPageByCondition(Map<String, Object> params) {

        QueryWrapper<SpuInfoEntity> queryWrapper = new QueryWrapper<>();

        String key = (String) params.get("key");
        if (StringUtils.isNotEmpty(key))
        {
            queryWrapper.and(wapper -> {
                wapper.eq("id",key).or().like("spu_name",key);
            });
        }

        String status = (String) params.get("status");
        if (StringUtils.isNotEmpty(status))
        {
            queryWrapper.eq("publish_status",status);
        }

        String brandId = (String) params.get("brandId");
        if (StringUtils.isNotEmpty(brandId) && !"0".equalsIgnoreCase(brandId))
        {
            queryWrapper.eq("brand_id",brandId);
        }

        String catelogId = (String) params.get("catelogId");
        if (StringUtils.isNotEmpty(catelogId) && !"0".equalsIgnoreCase(catelogId))
        {
            queryWrapper.eq("catelog_id",catelogId);
        }

        IPage<SpuInfoEntity> page = page(new Query<SpuInfoEntity>().getPage(params), queryWrapper);

        PageUtils pageUtils = new PageUtils(page);

        return pageUtils;

    }

    private void saveBaseSupInfo(SpuInfoEntity spuInfoEntity) {
       this.baseMapper.insert(spuInfoEntity);
    }

}